helical CT scanning

helical CT scanning

Medical dictionary. 2011.

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  • helical CT scanning — spiral CT scanning …   The new mediacal dictionary

  • Helical CAT scan — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

  • Helical scan — is a method of recording high bandwidth signals onto magnetic tape. It is used in video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives. Comparison to linear tape recording In a fixed head… …   Wikipedia

  • Helical cone beam computed tomography — Helical (or spiral) cone beam computed tomography is a type of three dimensional computed tomography (CT) in which the source (usually of x rays) describes a helical trajectory relative to the object while a two dimensional array of detectors… …   Wikipedia

  • scanning — In radar, the motion of the radar antenna assembly when searching for targets. Scanning usually follows a systematic pattern involving one or more of the following: i. In horizontal scanning (or search lighting), the antenna is continuously… …   Aviation dictionary

  • spiral CT scanning — (helical CT scanning) a development of conventional computerized tomography (CT) scanning in which the X ray tube rotates continuously around the patient as he or she passes through the scanner. This allows the acquisition of images throughout a… …   Medical dictionary

  • spiral CT scanning — helical CT scanning a development of conventional computerized tomography (CT) scanning in which the X ray tube rotates continuously around the patient as he or she passes through the scanner. This allows the acquisition of images throughout a… …   The new mediacal dictionary

  • helical scan — In radar scanning, varying the azimuth and elevation of the antenna continuously to generate a spiral pattern of the beam. This scan pattern is used in fire control and GCI (ground controlled interception) radars. Also called spiral scanning …   Aviation dictionary

  • Scan, helical CAT — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

  • CAT scan, helical — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

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